and the philippines. tension being raised there. >>> talk about tense. hissing sound of natural gas as single police car keeps watch and sits hear in west virginia. what an image that is. that's where a natural gas line exploded level 4 houses and damaging part of interstate. the area is about 15 miles forth of charleston, west virginia. several people suffered smoke i hope inhalation. >>> ntsb said a distracted driver in a truck with bad brake was likely cause of amtrak collision that killed 6 people last year. happened at rural intersection in northern nevada. truck slammed into the side of a train that was headed from chicago to here in the bay area. at hearing in washington today the ntsb said the crossing guard arm was down and warning lights were flashing in plenty of time for the truck driver to stop. they still are not sure why he did in the act quickly more quickly maybe he was tired or just not paying attention who knows. but if the brake had been properly maintained or applied a second and a ha